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Eur J Intern Med. 2016 Oct;34:34-38. doi: 10.1016/j.ejim.2016.04.015. Epub 2016 Apr 29.

Barriers to influenza vaccine uptake in obese people in Italy: Changes 2005-2013.

Author information

1
Department of Biomedical Sciences and Public Health, Section of Hygiene, Preventive Medicine and Public Health, Università Politecnica delle Marche, Ancona, Italy. Electronic address: igiene.ricerca@gmail.com.
2
Department of Biomedical Sciences and Public Health, Section of Hygiene, Preventive Medicine and Public Health, Università Politecnica delle Marche, Ancona, Italy.
3
Department of Biomedical Sciences and Public Health, Section of Hygiene, Preventive Medicine and Public Health, Università Politecnica delle Marche, Ancona, Italy. Electronic address: musa@univpm.it.

Abstract

BACKGROUND:

Obesity is an independent risk factor for developing flu-related complications.

OBJECTIVE:

The aim of this study was to analyze influenza vaccine uptake (VU) in the Italian obese, before and after the introduction of obesity among the national recommendations, and to evaluate factors associated to VU.

METHODS:

The comparison of two editions of the national survey carried out in 2004-2005, before the inclusion of obese people among the specific high risk categories for flu complications, and in 2013, reaching a sample of 21,857 persons who declared to have a BMI>30. Multilevel logistic regression was used to evaluate potential independent predictors of influenza immunization.

RESULTS:

Influenza vaccination coverage was 27.16% in 2013, versus 31.61% in 2005. A significant reduction of VU was registered after the introduction of obesity among the high risk conditions, for which flu VU was recommended. Regression modeling, both in adults and in older people, confirmed that barriers to VU in 2013 were younger age, medium level of education, absence of chronic disease, smoking habit, and reporting no contacts with GPs during the previous 12months. Among those aged 65 or more, the role of regional policies was associated to VU.

CONCLUSIONS:

Immunization rates among young obese population are low, especially if not affected by comorbidities. Moreover, a reduction was registered in 2013 with respect to 2005. Flu vaccine uptake among the older population seems to be influenced by regional vaccination strategies. The development of novel strategy is warranted, especially among the young adults.

KEYWORDS:

Immunization; Influenza; Obesity; Prevention

PMID:
27139917
DOI:
10.1016/j.ejim.2016.04.015
[Indexed for MEDLINE]
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